Actually i am doing a ssc project.
The student will enter his roll no in a web page which is designed by html.
HIs marks subject wise have to be displayed wth the total marks . this will be done by using servlets
and my html code is
1, hallticket.html
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD>
<BODY bgcolor=blue>
<h1 align="center"><font color=red> Students Hall Ticketno</h1>
<form method="post" action="http:\\localhost:8080\results\marks">
<h3 align="center">Enter Hall Ticket No</h3>  
<center><input type="text" size=30><br><br>
<input type="submit" value="submit">
</BODY>
</HTML>
2. Ssc.java (servlet)
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.sql.*;
public class Ssc extends HttpServlet
{
Connection con=null;
Statement st;
ResultSet rs;
public void init()
{
try
{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
con = DriverManager.getConnection("jdbc:odbc:sravan","poorna","chandu");
st=con.createStatement();
}
catch( Exception e)
{
e.printStackTrace();
}
}
public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException,IOException
{
try
{
String str=req.getParameter("htno");
int htno=Integer.parseInt(str);
String strq="select * from marks where htno="+htno;
rs=st.executeQuery(strq);
PrintWriter out=res.getWriter();
if(rs.next())
{
out.println("<html><body>");
out.println("<table border=1 align=center>");
out.println("<tr><th>Name</th>");
out.println("<th>Telugu</th>");
out.println("<th>Hindi</th>");
out.println("<th>English</th>");
out.println("<th>Maths</th></tr>");
out.println("<tr><td>"+rs.getString(3)+
"</td><td>"+rs.getInt(4)+
"</td><td>"+rs.getInt(5)+
"</td><td>"+rs.getInt(6)+
"</td><td>"+rs.getInt(7));
}
}
catch (Exception e)
{
e.printStackTrace();
}
}
}
3,web.xml
<web-app>
<servlet>
<servlet-name>sscresults</servlet-name>
<servlet-class>Ssc</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>sscresults</servlet-name>
<url-pattern>/results</url-pattern>
</servlet-mapping>
</web-app>Ihave copied this enter codes and classed in tomcat server webapps diirectory and the directory hierarchy is
----- !WEB-INF
--------------!classes --- Ssc.class
--------------!src ----Ssc.java
------!web.xml
------!hallticket.html (web page)
------!results (access data base)
in results database i have created one table with marks
rollno telugu hindi english maths social
112 95 98 98 98 98
113 98 98 98 98 98
LIKE THAT
When i run the tomcat server it is displaying the above file that hallticket.html and web.xml
when i deploy my project , when i enter the hall ticket no
it is giving an error http status 404 error
that the source /results/marks is not found .
Please help me , where did i commit the mistake
Thank you in advance
